德国采购需求：铝板、铝板、铝卷、铝箔、铝带、铝管

I'm reaching out to request a quote for specific aluminium round tubes. I'm looking for 10 pieces of one length and 10 pieces of another length. The material should be of high quality, and I'd appreciate any details you can provide regarding the specifications, tolerances, and finish options available for these items. Additionally, please include information on lead times, pricing, and any minimum order quantities that may apply. If you have any recommendations or alternatives in case these sizes are not readily available, I'd be interested to hear about those as well. Looking forward to your prompt response!